package servlet;


import com.google.gson.Gson;
import dao.DB;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

//添加好友验证
@WebServlet("/verifyaddFriend")
public class addFriendServlet extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");

        String acc = req.getParameter("acc");

        List list = DB.executeQuery("SELECT * FROM friend WHERE friendid = ? and friStatus = 0" ,acc);
        if(list.size() != 0){
            resp.getWriter().print(new Gson().toJson(list));
        }else{
            resp.sendRedirect("/page.jsp");
        }


    }
}
